Home / 36,124,486.84-49,838,922.30-21,428,896.60

Finding the Fourth Proportional to 36,124,486.84, 49,838,922.30 and 21,428,896.60

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Solution

The fourth proportional to 36,124,486.84, 49,838,922.30 and 21,428,896.60 is: 29,564,243.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,124,486.84 : 49,838,922.30 = 21,428,896.60 : x
  2. Step 2: Convert to fraction form
    36,124,486.84/49,838,922.30 = 21,428,896.60/x
  3. Step 3: Cross multiply
    36,124,486.84x = 49,838,922.30 × 21,428,896.60
  4. Step 4: Simplify right side
    36,124,486.84x = 1,067,993,112,622,134.25
  5. Step 5: Solve for x
    x = 1,067,993,112,622,134.25/36,124,486.84
  6. Step 6: Final answer
    x = 29,564,243.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.